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Quality CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor factory
Quality CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor factory
Quality CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor factory
Quality CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor factory
Quality CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor factory

CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor

Basic Properties
Place of Origin: made in China
Brand Name: AIRERA
Certification: ISO、CE、TUV
Model Number: CALT- 39K-25K
Trading Properties
Minimum Order Quantity: 1 unit
Price: Negotiable
Payment Terms: TT/LC,Western Union,D/P,D/A
Supply Ability: 2,000-3,000 per month
Tags

oil free air compressor

oilless air compressor

oil less screw compressor
Product Summary
AIRERA 60HP oil-free screw compressor delivers ISO Class 0 certified pure air with 45KW direct-drive efficiency. Features air cooling, 10200 m³/hr airflow, and reliable 24/7 operation for medical, food, and industrial applications.

Product Details

Highlight:

39m³/min diesel portable compressor

,

25bar pressure oil free screw compressor

,

all-terrain portable compressor with warranty
Air Capacity（m3/Min）: 39
Working Pressure: 2.5MPa
Diesel Capacity: 755L
Rated Power: 595KW
Weight: 7300kg
Product Description
AIRERA All-Terrain Diesel Compressor: Massive 39m³/min Flow & 24H High-Efficiency Powerhouse

    Dominate large-diameter drilling and blasting with the AIRERA CALT series. This all-terrain powerhouse delivers an industry-leading 39 m³/min massive flow at a stable 25bar pressure, ensuring rapid cutting removal and unmatched penetration rates. Engineered with a heavy-duty chassis and advanced cooling, it guarantees 24-hour non-stop running under scorching heat or heavy dust. Choose AIRERA to maximize your daily borehole footage.

  • Diesel engine

In the intake system, exhaust gas turbocharging is adopted to improve the power performance.Meet the Euro II emission standards, high-performance oil pump, low fuel consumption.The overall structure is compact and the appearance is beautiful and generous.Covering the whole country's after-sales service network, users can get rapid and complete service.


CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor 0
  • Air filtration system

Three-stage air filtration, including cyclone, coarse filtration and safe filtration, is especially suitable for harsh environments such as dusty fields.99.99% of the particles above 3μ were removed.The filter element has large surface area, imported filter paper, long service life and small pressure drop. Located in the cold room area, optimize the performance of the unit.Enlarged 20% air filtering system for better performance.


CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor 1

  • Air end

The rotor is made of German processing equipment-to ensure the dimensional accuracy of parts.The bearing adopts the world brand SKF--- prolong the service life.High-load-resistant design-working pressure can reach 1.6Mpa.


CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor 2


Technical Specifications -CALT 39K-25K Diesel Portable Compressor
CALT 39K-25K Diesel Portable Compressor Parameters
ITEM UNIT MODEL CALT 39K-25K
Air capacity m³/min 39
Working pressure MPa 2.5
Weight kg 7300
L×W×H  mm

4573×2160×2661
Type No.× Qty
8.25-16×4
Diesel engine

Model
KTA19-P700
Type
Vertical, in-line, water-cooled
Sunction
Turbo charger
Dia. of cylinder×Journey×amount
159×159×6
Displacement L
19
Rated speed  r/min 1800
Idle speed r/min 1300
Rated Power kW(HP) 595(700)
Engine lubricant capacity L 38
Diesel capacity L 755
Battery V 24
Compressor

Pressure stage
2
Compressor oil capacity L 120
Amount size×Qty

G2×1,G3/4×1
Notice
CA: Screw compressor, LT:Portable ,All the models could be customized into skid-mounted type.
CALT 39m³/min Flow, 25bar Pressure, All-terrain Move, 24h Stable Running Diesel Portable Compressor 3
 CALT 39-25K Diesel Portable Compressor: Frequently Asked Questions (FAQ)
Why is the massive 39 m³/min flow rate of this CALT model a game-changer for large-diameter drilling?
In large-diameter drilling (such as open-pit mining blast holes or large water wells), compressed air's primary job is to lift heavy cuttings out of the hole. If the air volume is insufficient, rock chips fall back, causing dangerous drill jamming. At 39 m³/min, this AIRERA compressor provides an ultra-high flushing velocity. It clears out heavy stones and gravel instantly, preventing stuck drills and ensuring a clean borehole for maximum penetration speed.
Can this 25bar / 39 m³/min compressor handle demanding pipeline pigging and industrial blowing applications?
Absolutely. Pipeline pigging and testing require massive, continuous volume to push scraper pigs through miles of pipe smoothly without getting stuck. With a reliable 25 bar pressure backing up a huge 39 m³/min delivery, the CALT series provides the sustained pneumatic force needed to clear rust, scale, and moisture from large-diameter pipelines, making it a favorite for oil, gas, and municipal infrastructure projects.
How does the advanced air end design support this massive 39 m³/min output during 24-hour non-stop running?

Delivering 39 cubic meters of air every single minute creates tremendous continuous load. To achieve 24-hour stable running, AIRERA utilizes an optimized, oversized screw air end featuring a precise 5:6 rotor profile. This design maximizes air displacement per revolution while operating at a conservative, low RPM. It significantly lowers internal friction, bearing temperatures, and energy loss, ensuring the machine stays cool and efficient under non-stop heavy-duty operation.

Mr. Zhou

Sales director

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